com.tagtraum.perf.gcviewer.imp

Class AbstractDataReader

java.lang.Object

com.tagtraum.perf.gcviewer.imp.AbstractDataReader

All Implemented Interfaces:

DataReader

Direct Known Subclasses:

AbstractDataReaderSun, DataReaderGo, DataReaderHPUX1_2, DataReaderHPUX1_4_1, DataReaderIBM_J9_5_0, DataReaderIBM_J9_R28, DataReaderIBM1_3_0, DataReaderIBM1_3_1, DataReaderIBM1_4_2, DataReaderIBMi5OS1_4_2, DataReaderJRockit1_4_2, DataReaderJRockit1_5_0, DataReaderJRockit1_6_0, DataReaderSun1_2_2, DataReaderUnifiedJvmLogging

public abstract class AbstractDataReader
extends Object
implements DataReader

Baseclass for every DataReader implementation.

Author:

Joerg Wuethrich

created on: 11.01.2014

Field Summary

Fields

Modifier and Type	Field and Description
protected GCResource	gcResource the resource being read
protected LineNumberReader	in the reader accessing the log file

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractDataReader(GCResource gcResource, InputStream in)

Method Summary

Modifier and Type	Method and Description
protected DataReaderTools	getDataReaderTools()
protected Logger	getLogger() Returns a logger instance that logs in the context of the current GCResource being loaded.
abstract GCModel	read() A call to this method should read a GCModel.
protected boolean	shouldContinue() Returns true as long as read was not cancelled.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

gcResource

protected GCResource gcResource

the resource being read

in

protected LineNumberReader in

the reader accessing the log file

Constructor Detail

AbstractDataReader

protected AbstractDataReader(GCResource gcResource,
                             InputStream in)
                      throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

Method Detail

getLogger

protected Logger getLogger()

Returns a logger instance that logs in the context of the current GCResource being loaded. This logger should always be used, because otherwise the "Logger" tab won't show any log entries written during loading process.

Returns:

thread specific logger

getDataReaderTools

protected DataReaderTools getDataReaderTools()

read

public abstract GCModel read()
                      throws IOException

Description copied from interface: DataReader

A call to this method should read a GCModel.

Specified by:

read in interface DataReader

Returns:

GCModel representing a gc log file

Throws:

IOException - thrown, when an exception reading the file occurred

shouldContinue

protected boolean shouldContinue()

Returns true as long as read was not cancelled.

Returns:

true as long as read was not cancelled